2NW3
Crystal structure of HLA-B*3508 presenting EBV peptide EPLPQGQLTAY at 1.7A
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1ZSD |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.6 | 277 | 0.2M Ammonium acetate, 0.1M Cacodylate (pH7.7), 16% PEG 3350, pH 7.6, vapor diffusion, hanging drop, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.55 | 51.69 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 50.832 | α = 90 |
b = 81.661 | β = 90 |
c = 110.328 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS | 2003-03-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.502 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||
1 | 1.7 | 65.653 | 97.7 | 0.046 | 0.046 | 11 | 3.8 | 50052 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.7 | 1.79 | 94.9 | 0.404 | 0.404 | 1.9 | 3.7 | 6979 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1ZSD | 1.7 | 22.01 | 49994 | 2520 | 97.51 | 0.203 | 0.201 | 0.236 | RANDOM | 22.661 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.01 | -0.01 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.206 |
r_dihedral_angle_4_deg | 22.103 |
r_dihedral_angle_3_deg | 13.131 |
r_scangle_it | 6.072 |
r_dihedral_angle_1_deg | 6.005 |
r_scbond_it | 4.201 |
r_mcangle_it | 2.843 |
r_mcbond_it | 1.991 |
r_angle_refined_deg | 1.442 |
r_nbtor_refined | 0.301 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3214 |
Nucleic Acid Atoms | |
Solvent Atoms | 423 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
CrystalClear | data collection |
MOSFLM | data reduction |
CCP4 | data scaling |